精选优质文档-倾情为你奉上一、基础训练1)单项选择1. You _ hand it in at once, you may hand it in tomorrow.(A) neednt (B) may not (C) cant (D) must not2. That must be a mistake. No it _ a mistake.(A) must not be (B) neednt be (C) cannot be (D) would not be3. You _ go now. Its getting late.(A) had rather (B) would (C) had better (D) would4. Since the bus is crowded, we _.(A) had better walk to home
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